You may be thinking, global filtering? Don’t we have that ability already? Why do I need to write code to do that? In Tableau Desktop, global filtering is typically defined as setting a quick filter to control all worksheets on a dashboard that use a...
A few months ago, I received a call from a close friend who was very elated and very frustrated. She was elated because after many weeks of difficult conversations with her company’s IT department, she had finally received access to the data warehouse. At the...
Using descriptive, consistent naming conventions is important and should not go overlooked. Variability and inconsistencies often lead to confusion, error and loss of time. It is not uncommon to come across tables and columns cluttered with abbreviations or shorthand that may be insightful to some,...
Occasionally, you will find the need to compare filtered data against the total data source. As Tableau's filters remove the data from the data partition, this can sometimes be a tricky problem. You might be tempted to try the "Total" function in a formula like the...
Just last week, Ruckus Wireless held their annual BiG DOGs Partner Conference in beautiful Miami, FL. The conference brought together 200 of Ruckus’ best partners in order to share insight and glimpse ahead into what’s around the corner for the enterprise wireless industry. As a...
USA Today had an article on three American economists who were awarded the Nobel Prize in Economic Sciences for 2013. The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel has been awarded 45 times to 74 laureates between 1969 and 2013. To help...
Neutrality has always been a key concern in data analysis. As analysts, it is critical that we not introduce our own bias into the interpretation of data. Anyone who has had a statistics class is familiar with the importance of random samples and neutral questions....
With Tableau 8, users gained the ability to color marks by multiple dimensions on a single axis with some automatic combined field magic. What happens though, when you want color by a dimension and a measure? In the past, I have separated out members of...
If I were to ask you to name the three most significant factors that predict the murder rate within a geographic area, then I would expect you would name some measure of median income. To test this hypothesis, we could do a simple linear regression...
Wow. Now THAT was an amazing conference. You got away from work for a couple days, met a lot of cool people, attended a lot of great sessions, learned a ton … now what? The day after kinda sucks. You’re probably still riding the wave from...
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